136899460 has 24 divisors (see below), whose sum is σ = 288028440. Its totient is φ = 54657024.

The previous prime is 136899457. The next prime is 136899467. The reversal of 136899460 is 64998631.

It can be written as a sum of positive squares in 4 ways, for example, as 8031556 + 128867904 = 2834^2 + 11352^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 136899460.

It is not an unprimeable number, because it can be changed into a prime (136899467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4996 + ... + 17284.

It is an arithmetic number, because the mean of its divisors is an integer number (12001185).

Almost surely, 2^136899460 is an apocalyptic number.

136899460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136899460 is an abundant number, since it is smaller than the sum of its proper divisors (151128980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136899460 is a wasteful number, since it uses less digits than its factorization.

136899460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12855 (or 12853 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 136899460 is about 11700.4042665200. The cubic root of 136899460 is about 515.3875362516.

The spelling of 136899460 in words is "one hundred thirty-six million, eight hundred ninety-nine thousand, four hundred sixty".